Societies: American College of Radiology, American College of Cardiology, American Association for Thoracic Surgery, American College of Emergency Physicians, American Society of Nuclear Cardiology, North American Society for Cardiovascular Imaging, Society for Academic Emergency Medicine, Society of Cardiovascular Computed Tomography, Society for Cardiovascular Magnetic Resonance, Society of Cardiovascular Patient Care, Society of Nuclear Medicine and Molecular Imaging, Society of Thoracic Radiology, Society of Thoracic Surgeons